*{
    margin: 0;
    padding: 0;
}
html, body{
    width: 100%;
    height: 100vh;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
}
.move_info{
    position: absolute;
    top: 5px;
    right: 5px;
    margin-top: 5px !important;
}
.proj_info{
    position: absolute;
    color: white;
    width: calc(100% - 2 * 20px);
    padding: 0 20px;
    bottom: 18px;
    text-align: center;
}
.proj_info a{
    color: white;
}
.btn_box input, .btn_box select{
    border-radius: 0;
    padding: 2px 3px;
    border:  1px solid black;
    margin: 0 8px;
}
.btn_box{
    user-select: none;
    -webkit-user-select: none;
}
.chess_left{
    position: relative;
    top: -15px;
}
.b{
    display: block;
    height: 5px;
}
.game_info{
    position: absolute;
    width: 100%;
    height: calc(100% - 40px);
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, .8);
    /* display: flex; */
    display: none;
    flex-direction: column;
    align-items: center;
    padding: 40px 0 0 0;
    line-height: 1.5;
}
.game_info > div{
    width: 90%;
}
.game_info p{
    font-size: 18px;
}
.game_info h2{
    font-size: 25px;
}